91060150091 has 2 divisors, whose sum is σ = 91060150092. Its totient is φ = 91060150090.

The previous prime is 91060150043. The next prime is 91060150109. The reversal of 91060150091 is 19005106019.

It is a happy number.

Together with next prime (91060150109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91060150091 - 2¹⁴ = 91060133707 is a prime.

It is not a weakly prime, because it can be changed into another prime (91060150691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45530075045 + 45530075046.

It is an arithmetic number, because the mean of its divisors is an integer number (45530075046).

Almost surely, 2^91060150091 is an apocalyptic number.

91060150091 is a deficient number, since it is larger than the sum of its proper divisors (1).

91060150091 is an equidigital number, since it uses as much as digits as its factorization.

91060150091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 32.

The spelling of 91060150091 in words is "ninety-one billion, sixty million, one hundred fifty thousand, ninety-one".